EP 0562751 A2 19930929 - Logic device.
Title (en)
Logic device.
Title (de)
Logische Schaltung.
Title (fr)
Circuit logique.
Publication
Application
Priority
GB 9206812 A 19920325
Abstract (en)
A logic device comprises a series of charge storage nodes N0 - N3 that are interconnected by tunnel barriers D. Clock waveforms V1 - V3 applied to clock lines Cl 1 - Cl 3 selectively alter the probability of charge carriers passing through the tunnel diodes D from node to node, the arrangement being such that the amount of charge at each node is limited by Coulomb blockade so as to define first and second logical levels. Typically, the logical levels are defined by the presence or absence of a single electron, although larger numbers e.g. ten, can be utilised. An output device, typically a Coulomb blockade electrometer provides an output logical signal indicative of the logical state of node N3.
IPC 1-7
IPC 8 full level
G06F 7/50 (2006.01); G06F 7/502 (2006.01); G11C 11/4091 (2006.01); G11C 11/56 (2006.01); G11C 19/18 (2006.01); H01L 27/08 (2006.01); H01L 29/66 (2006.01); H01L 29/88 (2006.01); H01L 49/00 (2006.01); H03K 19/08 (2006.01)
CPC (source: EP)
B82Y 10/00 (2013.01); G06F 7/502 (2013.01); G11C 11/4091 (2013.01); G11C 11/56 (2013.01); G11C 19/182 (2013.01); H03K 19/08 (2013.01); G11C 2216/08 (2013.01)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0562751 A2 19930929; EP 0562751 A3 19940518; EP 0562751 B1 19980701; DE 69319361 D1 19980806; DE 69319361 T2 19990401; GB 9206812 D0 19920513; JP 3462524 B2 20031105; JP H06224411 A 19940812
DOCDB simple family (application)
EP 93301982 A 19930316; DE 69319361 T 19930316; GB 9206812 A 19920325; JP 6701893 A 19930325